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Toilet Spares & Cistern Parts
Shop toilet spares and cistern parts at Plumbco. Whether you're repairing a faulty flush, replacing a worn cistern component or upgrading an older toilet, our range includes replacement parts for a wide variety of toilet flushing systems.
Our toilet spare parts include toilet syphons, fill valves, flush valves, push buttons, diaphragms, washers and cistern repair kits. We stock trusted brands including Fluidmaster, Viva, Siamp and Wirquin, with individual replacement components and complete repair kits available.
Toilet Cistern Spares
Find replacement toilet cistern spares for a range of flushing systems, including ball valves, fill valves, flush cones, diaphragms and other cistern components. Whether you need a single replacement part or several components for a complete repair, check the product specifications and compatibility before ordering.
Toilet Flush Parts & Mechanisms
Our range of toilet flush parts includes flush valves, syphons, dual flush mechanisms, push buttons and replacement flush components. Options include bottom-entry and side-entry fill valves, dual flush valves and adjustable or universal parts designed to suit different toilet cisterns.
Browse our toilet spares below to find the replacement parts you need for your toilet or cistern repair.
Viva Internal Flush Cone (Black) PP0004
PP0004
The Viva Internal Flush Cone (Black) PP0004 is a reliable rubber‑style sealing cone designed to fit inside the rear inlet of a WC pan, forming a tight, leak‑free connection between the flush pipe and pan. Its black finish offers a discreet appearance, and it's easy to push into place for rapid installation in standard UK toilet systems.
£1.26 incl tax
Dual Push Button Cover (Rod) - Matt White
PLU0109031
Complete your bathroom installation with the Dual Push Button Cover (Rod) in Matt White. Designed for compatible concealed cistern toilet systems, this replacement flush button cover provides a clean, modern finish for wall hung and back to wall toilet installations.
£10.73 incl tax
Viva External Flush Cone (White Rubber) PP0004/B
PP0004/B
The Viva External Flush Cone (White Rubber) PP0004/B is a durable rubber sealing cone designed to be fitted externally over the cistern flush pipe, creating a watertight and reliable connection to the toilet pan. Easy to install and ideal for standard UK toilet systems, it helps prevent leaks and maintain efficient flushing performance.
£2.95 incl tax
Thomas Dudley Turbo Edge Compact Replacement Diaphragm Washer – PTOSYS367470
ACWSBVDIA.
The Thomas Dudley Turbo Edge Compact Diaphragm Washer (PTOSYS367470) is a genuine replacement spare part designed for compatible Dudley Turbo Edge Compact toilet cistern syphons.
The diaphragm washer is an important component within the syphon mechanism, helping create the seal required for effective flushing. Replacing a worn or damaged washer can help restore the operation of the existing syphon without requiring a complete replacement.
Ideal for toilet cistern maintenance and plumbing repairs, this genuine Thomas Dudley spare is a practical replacement for compatible syphon assemblies.
The diaphragm washer is an important component within the syphon mechanism, helping create the seal required for effective flushing. Replacing a worn or damaged washer can help restore the operation of the existing syphon without requiring a complete replacement.
Ideal for toilet cistern maintenance and plumbing repairs, this genuine Thomas Dudley spare is a practical replacement for compatible syphon assemblies.
£0.49 incl tax
Viva Angled Toilet Pan Fixing Kit PP0028
PP0028
The Viva Angled Toilet Pan Fixing Kit (product code PP0028) includes robust plastic angled brackets and chrome‑cap fixings to securely anchor your WC pan to the floor via side‑holes. Designed for side‑fix installations, it delivers a tidy, reliable fixing solution for modern UK bathrooms.
£5.21 incl tax
Viva ⅜″ D-Type Toilet Handle Kit PP0008D/A
PP0008D/A -EC06M110-SF
The Viva 3/8" Metal Cistern Lever is a robust and reliable choice for controlling your cistern. Made from high-quality metal, this lever offers durability and a sleek finish. Designed to fit 3/8" cisterns, it provides smooth operation and precise control for flushing mechanisms. Ideal for both residential and commercial use, it ensures long-lasting performance and easy installation.
£8.53 incl tax
Viva 2″ Flush Pipe Nut & Seal PP0009/A
PP0009/A
The Viva 2″ Flush Pipe Nut & Seal PP0009/A is a robust coupling nut supplied with a premium rubber seal, designed to securely attach a 2″ flush pipe to a flush valve and provide a leak‑proof joint.
£1.96 incl tax
Viva 1½″ Foam Doughnut Washer PP0034
PP0034
The Viva 1½" Foam Doughnut Washer (product code PP0034) is a precision‑made foam sealing washer designed for close‑coupled WC cisterns and pans. Its cushioned form creates a tight, watertight seal and helps prevent leaks and noise between fixtures.
£1.40 incl tax
Viva 1½″ Dome Washer PP0026
PP0026
The Viva 1½″ Dome Washer (product code PP0026) is a foam sealing washer specifically shaped to fit between the cistern and pan of close‑coupled toilets. Its domed profile ensures a tight, leak‑resistant seal — making it a simple, effective solution for maintaining your WC installation.
£2.19 incl tax
Viva ½″ D-Type Toilet Handle Kit PP0008D
PP0008D
The Viva ½″ D‑Type Toilet Handle Kit (Product Code PP0008D) is a complete cistern lever kit, featuring a chrome‑plated handle, 105 mm spindle and adjustable plastic arm for reliable connection to your syphon valve. With a ½″ thread and included lock nut, it offers a simple, effective upgrade or replacement for traditional or modern WC installations.
£7.85 incl tax
Viva 1½″ Magna Self‑Sealing Waste Valve WTSTC40
WTSTC40
The Viva 1½″ Magna Self‑Sealing Waste Valve WTSTC40 is a versatile non‑return waste valve with an internal membrane that allows water to discharge and then automatically seals to block foul smells and gases. Ideal for installation under sinks, basins, baths, bidets or urinals, it includes 90° inlet and straight compression adapters and can be fitted vertically or horizontally.
£20.63 incl tax
Viva 1¼″ Magna Self‑Sealing Waste Valve WTSTC32
WTSTC32
The Viva 1¼″ Magna Self‑Sealing Waste Valve (product code WTSTC32) is a clever non‑return valve designed to open only during discharge and then automatically close to block foul odours and sewer gases. Ideal for under‑sink, bath or bidet installations, it fits both horizontal and vertical positions for flexible UK plumbing installs.
£20.63 incl tax
Viva 1/2" Side Entry Ball Valve
SKY115
The Viva Skylo Side Entry Ball Valve SKY115 is a dependable side‑inlet cistern valve featuring a ½″ BSP thread and adjustable float arm, making it an excellent replacement for standard UK WC installations. With working pressure from 0.2‑6 bar, WRAS approval and simple installation, it offers a durable and effective component for ensuring smooth cistern fill performance.
£4.96 incl tax
Croydex Eyre Flexi-Fix Soft Close Toilet Seat D Shape- WL601522H
WL601522H
The Croydex Eyre Flexi‑Fix™ Toilet Seat (420 × 365 mm) offers a modern D‑shaped profile and optimal functionality, built from hard‑wearing thermoset plastic with anti‑bacterial treatment. Its adjustable hinges (90‑223 mm) fit most standard toilets, while durable nylon and chrome‑plated ABS anti‑rust hinges ensure long lifespan, enhanced by soft‑close action and quick‑release cleaning convenience.
£33.59 incl tax
Croydex Ontario Flexi-Fit Moulded Wood Flexi-Fix Toilet Seat - WL602086H
WL602086H-SP
The Croydex Ontario Flexi‑Fix™ Toilet Seat (450 × 378 mm) delivers stylish wood‑effect design with high performance. Constructed from durable engineered moulded wood with teak‑effect wipe‑clean vinyl foil, it features adjustable hinges (110–200 mm) to fit most standard toilets, anti‑rust chrome‑plated nylon hinge covers, soft‑close action and quick‑release for effortless cleaning — all fittings included for easy tool‑free installation.
£72.65 incl tax
Thomas Dudley 315293 Turbo 88 Duoflush 9 inch Syphon-315293
315293
Upgrade your toilet system with the Thomas Dudley 315293 Turbo 88 Duoflush 9-inch Syphon-315293. Engineered for efficiency and durability, this syphon ensures optimal flushing performance, reducing water wastage while maintaining powerful flushing capabilities. Its innovative design guarantees a reliable and consistent flush every time, making it an essential addition to any modern bathroom.
£24.34 incl tax
GROHE 38732000 | Skate Cosmopolitan Flush Plate
38732000
The Grohe Skate Cosmopolitan WC Flush Plate 38732000 features a sleek design with dual flush or start & stop functionality. Ideal for concealed cistern systems, it offers a modern chrome finish and reliable performance for contemporary bathrooms.
£73.97 incl tax
Fyne Slim Soft Close seat
ALL25620
Upgrade your bathroom with the Fyne Slim Soft Close Seat from Plumbco. Featuring a sleek, slim profile and a soft close mechanism, this seat provides both modern elegance and quiet, gentle operation. Perfect for adding a touch of sophistication and comfort to any toilet.
£35.49 incl tax
Mcalpine 90° Bend MACFIT WC Connector MAC-8L
62035538
The McAlpine MAC-8L Long 90° Bend MACFIT WC Connector is designed for secure and adjustable toilet connections. With an inlet range of 97-107mm and a 4″/110mm outlet, this long connector ensures a precise fit between WC pans and soil pipes. Constructed from durable plastic, it provides leak-free performance and easy installation in domestic and commercial bathrooms. Ideal for renovations or new builds, the MAC-8L guarantees reliable drainage and a professional finish.
£10.34 incl tax
McAlpine Adjustable Inlet Tubular Swivel Anti-Syphon ‘P’ Trap ASA10V
ASA10V
The McAlpine ASA10V Adjustable Inlet Tubular Swivel Anti-Syphon ‘P’ Trap is designed to maintain a 75mm water seal, preventing the backflow of foul gases into your living space. Its innovative anti-syphon valve neutralises negative pressure, eliminating gurgling sounds and ensuring efficient drainage. Constructed from high-temperature polypropylene, this trap is compatible with 1¼” pipework and features a universal compression outlet that suits all plastic, copper, and lead pipes. Ideal for basins and sinks in both domestic and commercial settings.
£23.39 incl tax
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